Product arrived in a well packaged carton & there was no damage to parts included. This is an assembly required unit that has a couple of installation variations. Tools required are a Phillips screwdriver & a 5/16” nut drive or socket. Easily assembled & gauge of metal is appropriate for the application. If you are fitting this over a 15-1/2” square flue liner, you may not need to secure. Here’s why: The interior stiffening strut of each side panel will flex slightly when this cap is pushed down over the flue liner. Thus allowing it to “grip” the liner with enough force to firmly hold it in place. The purchase price makes this a value for the money as a solution to keeping rain & debris out of the chimney. The top of the s/s cap is cross scored & bent slightly to help shed water so it doesn’t sit on the cap & pool. I would highly recommend this cap
roger waibel 
